Related
Documentation
Understanding VRRP on ACX Series Routers on page 651•
• Configuring the Advertisement Interval for the VRRP Master Router on page 655
• Configuring a Backup Router to Preempt the Master Router on page 656
• Modifying the Preemption Hold-Time Value on page 657
• Configuring Asymmetric Hold Time for VRRP Routers on page 657
• Configuring an Interface to Accept Packets Destined for the Virtual IP Address on
page 658
• Example: Configuring VRRP on page 665
• Example: Configuring VRRP for IPv6
Configuring the Advertisement Interval for the VRRP Master Router
By default, the master router sends VRRP advertisement packets every second to all
members of the VRRP group. These packets indicate that the master router is still
operational. If the master router fails or becomes unreachable, the backup router with
the highest priority value becomes the new master router.
You can modify the advertisement interval in seconds or in milliseconds. The interval
must be the same for all routers in the VRRP group.
This topic contains the following sections:
•
Modifying the Advertisement Interval in Seconds on page 655
•
Modifying the Advertisement Interval in Milliseconds on page 655
Modifying the Advertisement Interval in Seconds
To modify the time, in seconds, between the sending of VRRP advertisement packets,
include the advertise-interval statement:
advertise-interval seconds;
The interval can be from 1 through 255 seconds.
You can include this statement at the following hierarchy level:
•
[edit interfaces interface-name unit logical-unit-number family inet address address
vrrp-group group-id]
Modifying the Advertisement Interval in Milliseconds
To modify the time, in milliseconds, between the sending of VRRP advertisement packets,
include the fast-interval statement:
fast-interval milliseconds;
655Copyright © 2017, Juniper Networks, Inc.
Chapter 21: Configuring Virtual Router Redundancy Protocol (VRRP)
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